The link is very slow… I gather it’s getting a lot of attention. The evidence is all indirect, so let’s not get too carried away. To his credit, reporter Brian Berger notes in the second paragraph that the paper describing the findings has not yet been peer reviewed. The article does mention that “many researchers” doubt earlier claims about microbial life, but it doesn’t offer quotations from any naysayers.

For now, I’ll file this under “science fiction”. Whatever the result, NASA will file it under “great PR.”